Equivalence is much-discussed, but still often misunderstood. Here's a simplified explanation of the concept of equivalent apertures, which is just another way of talking about light received by your camera.

Great composition is about a lot more than the 'rule of thirds' and 'golden spiral.' In this episode of The Art of Photography, Ted Forbes dives into two key compositional concepts: simplification and negative space.

Ian Goode has over 12 years of experience working in advertising, and until recently owned a production company that specialized in photo illustration and compositing. He has a keen eye for the subtle influences that details can have on an image as a whole, and on the story that it tells. In his PIX 2015 talk, he brings his perspective from advertising to the creation of any imagery. Read more